Device for milking animals

Abstract

A device for milking animals including a plurality of milking stations, wherein each milking station includes a milk collecting container and a displacing mechanism for displacing liquid from the milk collecting container. The milk collecting container (is connected to a first discharge line and to a second discharge line, a second central milk line is connected to the second discharge line for leading milk from a plurality of milking stations to a collective liquid discharge and further includes a line cleaning device connected to the second central milk line for cleaning at least the second central milk line with a cleaning liquid, wherein the connection of the line cleaning device with the second central milk line is located at least equally far from the liquid discharge as the connection of a second discharge line with the second central milk line.

1 . A device for milking animals, comprising a plurality of milking stations, a second central milk line and a line cleaning device, wherein at least two milking stations comprise a milk collecting container and a displacing mechanism for displacing liquid from the milk collecting container, wherein the milk collecting container is connected to a first discharge line and to a second discharge line, wherein the second central milk line is connected to the second discharge line for leading milk from a plurality of milking stations to a collective liquid discharge, and wherein the line cleaning device is connected to the second central milk line for cleaning at least the second central milk line with a cleaning liquid, wherein the supply connection of the line cleaning device with the second central milk line is located at least equally far from the liquid discharge as the connection of a second discharge line with the second central milk line. 
     
     
         2 . The device according to  claim 1 , wherein the first discharge line is connected to a first central milk line for leading milk to a first milk tank. 
     
     
         3 . The device according to  claim 1 , wherein the line cleaning device is a separate cleaning device for cleaning only the second central milk line. 
     
     
         4 . The device according to  claim 1 , wherein the device comprises at least one station cleaning device for cleaning the parts of a milking station that come into contact with milk, wherein the station cleaning device is the line cleaning device. 
     
     
         5 . The device according to  claim 4 , wherein the station cleaning device is configured to be brought into a first position for cleaning only the second central milk line and into a second position for cleaning the milking station. 
     
     
         6 . The device according to  claim 1 , wherein the second central milk line is connected to a separation device of a milking station for separating milk which is unfit for human consumption. 
     
     
         7 . The device according to  claim 6 , wherein the separation device comprises at least one open separation aperture for separating milk which is unfit for human consumption in a separate container, and in that the second central milk line is connectable to the separation aperture. 
     
     
         8 . The device according to  claim 1 , wherein the second central milk line comprises a compressed air connection. 
     
     
         9 . The device according to  claim 1 , wherein the line cleaning device comprises a chemicals intake mechanism for direct intake of cleaning chemicals into a line. 
     
     
         10 . The device according to  claim 1 , wherein the line cleaning device comprises a flow mixing device with an entrance side and an exit side for mixing a polyphase liquid during its flow from the entrance side to the exit side. 
     
     
         11 . The device according to  claim 1 , wherein the liquid discharge is connected to an automatic drinking station. 
     
     
         12 . The device according to  claim 1 , wherein the liquid discharge is connected to a second milk tank. 
     
     
         13 . The device according to  claim 1 , wherein the second central milk line comprises an additive adding device for adding additives to the milk flowing through the second central milk line. 
     
     
         14 . The device according to  claim 13 , wherein the additive adding device is controllable on the basis of at least one of the measured amount of milk flowing through the second central milk line and composition of the milk flowing through the second central milk line. 
     
     
         15 . The device according to  claim 1 , wherein the second central milk line comprises a closable sewer connection near the liquid discharge. 
     
     
         16 . The device according to  claim 15 , wherein the second central milk line comprises an interface sensor for detecting a milk/cleaning liquid interface and supplying an interface detection signal, wherein the sewer connection is configured for activation on the basis of the interface detection signal. 
     
     
         17 . The device according to  claim 1 , wherein each milking station comprises a robot for automatically connecting teat cups to the teats of an animal to be milked. 
     
     
         18 . A device for milking animals comprising a milking station for milking a dairy animal, a milk tank, a central milk line connecting the milking station to the milk tank, wherein the central milk line comprises a closable sewer connection and an intake for cleaning liquid into the central milk line, wherein the central milk line comprises an interface sensor for detecting a milk/cleaning liquid interface and supplying an interface detection signal, wherein the sewer connection is configured for activation on the basis of the interface detection signal. 
     
     
         19 . The device according to  claim 18 , wherein the interface sensor comprises a conductivity sensor. 
     
     
         20 . The device according to  claim 18  wherein the interface sensor comprises an optical sensor. 
     
     
         21 . The device according to one of  claim 18 , wherein the interface sensor comprises a temperature sensor. 
     
     
         22 . The device according to  claim 18 , wherein the device comprises a control device for controlling a milking station and the line cleaning device. 
     
     
         23 . The device according to  claim 18 , wherein the milking station comprises a robot for automatically connecting teat cups to the teats of an animal to be milked. 
     
     
         24 . A device for milking animals, comprising a plurality of milking stations, a second central milk line and a line cleaning device, wherein at least two milking stations comprise a milk collecting container and a displacing mechanism for displacing liquid from the milk collecting container, wherein the milk collecting container is connected to a first discharge line and to a second discharge line, wherein the second central milk line is connected to the second discharge line for leading milk from a plurality of milking stations to a collective liquid discharge, and wherein the line cleaning device is connected to the second central milk line for cleaning at least the second central milk line with a cleaning liquid, wherein the supply connection of the line cleaning device with the second central milk line is located at least equally far from the liquid discharge as the connection of a second discharge line with the second central milk line; and wherein the second central milk line comprises a closable sewer connection near the liquid discharge and wherein the second central milk line comprises an interface sensor for detecting a milk/cleaning liquid interface and supplying an interface detection signal, wherein the sewer connection is configured for activation on the basis of the interface detection signal.